辰砂 しんしゃ Also written しんさ, 辰沙 Meanings Noun cinnabar; cinnabarite See also: 硫化水銀 (りゅうかすいぎん). cinnabar lacquer; cinnabar lacquerware Kanji 辰 sign of the dragon; 7-9AM; fifth sign of Chinese zodiac. Read as シン. 砂 sand. Read as シャ. Jinuma: Japanese Dictionary · Word lists